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Midland Tool

Dakota Ultrasonics MX-1 Fixed Velocity Thickness Gauge

Item # MX-1 Category

DAKOTA ULTRASONICS rugged thickness gauge family has been designed and built to satisfy the roughest industry conditions. These gauges can go where you go, to do the work you do, saving you time and money, making fast accurate measurements.

  • The MX-1 will hold a single velocity, making it the perfect choice where one material is being tested day after day.
  • With the preset velocity in the gauge, you simply turn on the gauge and you are ready to work.
  • The velocity is set in the MX-1 with a simple software program that is supplied with the unit.
  • The MX-1 is packaged in an all metal case, sealed with gaskets to protect it from harsh working environments.

Corrosion and pitting
Tube and pipe
Variety of applications


Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed)

Operating Temperature

-20 to 120° F


English and Metric


4 tactile-feedback keys
Sealed membrance that is resistant to both water and petroleum products


1 to 10 MHz frequency range
Dual-element (transmit and receive)
Locking quick disconnect LEMO connectors

Power Source

(2) 1.5V alkaline or 1.2V NiCad AA cells
Display flashes when battery is low. Unit turns off when battery is too low to operate reliably.


Alkaline Batteries: 80 hours
NiCad Batteries: 20 hours


4.5 digit liquid crystal display with 0.500" numerals
Backlight for use in poor light conditions
Bar graph indicates stability of reading

Computer Interface

PC software & USB converter cable included
RS232 serial interface


Factory calibration traceable to NIST & MIL-STD-45662A


Measures from 0.025 to 19.999 inches (0.63 to 500 millimeters)
Range dependent on material and transducer type


0.001 inches (0.01 millimeters)

Velocity Range

0.042 to .5511 in/μs (1250 to 14000 m/sec)
Four readings per second for single point measurements

Velocity Settings

1 custom velocity setting


2.5" W x 4.5" H x 1.24" D


10 ounces